git.sur5r.net Git - freertos/blob - FreeRTOS/Demo/CORTEX_EFMG890F128_IAR/lcdtest.c

   1 /*\r
   2     FreeRTOS V7.5.1 - Copyright (C) 2013 Real Time Engineers Ltd.\r
   3 \r
   4     VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.\r
   5 \r
   6     ***************************************************************************\r
   7      *                                                                       *\r
   8      *    FreeRTOS provides completely free yet professionally developed,    *\r
   9      *    robust, strictly quality controlled, supported, and cross          *\r
  10      *    platform software that has become a de facto standard.             *\r
  11      *                                                                       *\r
  12      *    Help yourself get started quickly and support the FreeRTOS         *\r
  13      *    project by purchasing a FreeRTOS tutorial book, reference          *\r
  14      *    manual, or both from: http://www.FreeRTOS.org/Documentation        *\r
  15      *                                                                       *\r
  16      *    Thank you!                                                         *\r
  17      *                                                                       *\r
  18     ***************************************************************************\r
  19 \r
  20     This file is part of the FreeRTOS distribution.\r
  21 \r
  22     FreeRTOS is free software; you can redistribute it and/or modify it under\r
  23     the terms of the GNU General Public License (version 2) as published by the\r
  24     Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.\r
  25 \r
  26     >>! NOTE: The modification to the GPL is included to allow you to distribute\r
  27     >>! a combined work that includes FreeRTOS without being obliged to provide\r
  28     >>! the source code for proprietary components outside of the FreeRTOS\r
  29     >>! kernel.\r
  30 \r
  31     FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY\r
  32     WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS\r
  33     FOR A PARTICULAR PURPOSE.  Full license text is available from the following\r
  34     link: http://www.freertos.org/a00114.html\r
  35 \r
  36     1 tab == 4 spaces!\r
  37 \r
  38     ***************************************************************************\r
  39      *                                                                       *\r
  40      *    Having a problem?  Start by reading the FAQ "My application does   *\r
  41      *    not run, what could be wrong?"                                     *\r
  42      *                                                                       *\r
  43      *    http://www.FreeRTOS.org/FAQHelp.html                               *\r
  44      *                                                                       *\r
  45     ***************************************************************************\r
  46 \r
  47     http://www.FreeRTOS.org - Documentation, books, training, latest versions,\r
  48     license and Real Time Engineers Ltd. contact details.\r
  49 \r
  50     http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,\r
  51     including FreeRTOS+Trace - an indispensable productivity tool, a DOS\r
  52     compatible FAT file system, and our tiny thread aware UDP/IP stack.\r
  53 \r
  54     http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High\r
  55     Integrity Systems to sell under the OpenRTOS brand.  Low cost OpenRTOS\r
  56     licenses offer ticketed support, indemnification and middleware.\r
  57 \r
  58     http://www.SafeRTOS.com - High Integrity Systems also provide a safety\r
  59     engineered and independently SIL3 certified version for use in safety and\r
  60     mission critical applications that require provable dependability.\r
  61 \r
  62     1 tab == 4 spaces!\r
  63 */\r
  64 \r
  65 /* Kernel includes. */\r
  66 #include "FreeRTOS.h"\r
  67 #include "task.h"\r
  68 \r
  69 /* Demo includes. */\r
  70 #include "lcdtest.h"\r
  71 \r
  72 #define lcdSHORT_DELAY          ( 60 / portTICK_RATE_MS )\r
  73 #define lcdQUARTER_SECOND       ( 250 / portTICK_RATE_MS )\r
  74 #define lcdONE_SECOND           ( 1000 / portTICK_RATE_MS )\r
  75 \r
  76 void vLCDTask( void *pvParameters )\r
  77 {\r
  78 long x;\r
  79 LCD_TypeDef *xLCD = LCD;\r
  80 char *pcScrollText = "FreeRTOS Energy Micro       ";\r
  81 \r
  82         /* Loop through various different displays. */\r
  83         for( ;; )\r
  84         {\r
  85                 /* Start by scrolling some text. */\r
  86                 LCD_ScrollText( xLCD, pcScrollText );\r
  87                 LCD_AllOff( xLCD );\r
  88 \r
  89                 /* Count down from 100 on the number section of the LCD display. */\r
  90                 for( x = 100; x > 0; x--)\r
  91                 {\r
  92                         LCD_Number( xLCD, x );\r
  93                         vTaskDelay( 10 );\r
  94                 }\r
  95                 LCD_NumberOff( xLCD );\r
  96 \r
  97                 /* Turn on gecko and EFM32 symbol. */\r
  98                 LCD_Symbol( xLCD, LCD_SYMBOL_GECKO, 1 );\r
  99                 LCD_Symbol( xLCD, LCD_SYMBOL_EFM32, 1 );\r
 100                 LCD_Write( xLCD, " Gecko " );\r
 101                 vTaskDelay( lcdONE_SECOND );\r
 102 \r
 103                 LCD_AllOn( xLCD);\r
 104                 vTaskDelay( lcdONE_SECOND );\r
 105 \r
 106                 LCD_AllOff( xLCD);\r
 107                 LCD_Write( xLCD, "OOOOOOO" );\r
 108                 vTaskDelay( lcdSHORT_DELAY );\r
 109                 LCD_Write( xLCD, "XXXXXXX" );\r
 110                 vTaskDelay( lcdSHORT_DELAY );\r
 111                 LCD_Write( xLCD, "+++++++" );\r
 112                 vTaskDelay( lcdSHORT_DELAY );\r
 113                 LCD_Write( xLCD, "@@@@@@@" );\r
 114                 vTaskDelay( lcdSHORT_DELAY );\r
 115                 LCD_Write( xLCD, "ENERGY " );\r
 116                 vTaskDelay( lcdQUARTER_SECOND );\r
 117                 LCD_Write( xLCD, "@@ERGY " );\r
 118                 vTaskDelay( lcdSHORT_DELAY );\r
 119                 LCD_Write( xLCD, " @@RGY " );\r
 120                 vTaskDelay( lcdSHORT_DELAY );\r
 121                 LCD_Write( xLCD, " M@@GY " );\r
 122                 vTaskDelay( lcdSHORT_DELAY );\r
 123                 LCD_Write( xLCD, " MI@@Y " );\r
 124                 vTaskDelay( lcdSHORT_DELAY );\r
 125                 LCD_Write( xLCD, " MIC@@ " );\r
 126                 vTaskDelay( lcdSHORT_DELAY );\r
 127                 LCD_Write( xLCD, " MICR@@" );\r
 128                 vTaskDelay( lcdSHORT_DELAY );\r
 129                 LCD_Write( xLCD, " MICRO@" );\r
 130                 vTaskDelay( lcdSHORT_DELAY );\r
 131                 LCD_Write( xLCD, " MICRO " );\r
 132                 vTaskDelay( lcdQUARTER_SECOND );\r
 133                 LCD_Write( xLCD, "-EFM32-" );\r
 134                 vTaskDelay( lcdQUARTER_SECOND );\r
 135         }\r
 136 }